rej03b0246_r8c34ess| Datasheet

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Under development

Preliminary specification Specifications in this manual are tentative and subject to change.

R8C/34E Group, R8C/34F Group, R8C/34G Group, R8C/34H Group

1. Overview

1.1.2

Specifications

Tables 1.1 and 1.2 outline the Specifications for R8C/34E Group, tables 1.3 and 1.4 outline the Specifications for R8C/34F Group, tables 1.5 and 1.6 outline the Specifications for R8C/34G Group, tables 1.7 and 1.8 outline the Specifications for R8C/34H Group. Table 1.1
Item CPU

Specifications for R8C/34E Group (1)
Function Central processing unit Specification R8C/Tiny series core Number of fundamental instructions: 89 Minimum instruction execution time: 50 ns (f(XIN) = 20 MHz, VCC = 2.7 to 5.5 V) Multiplier: 16 bits 16 bits 32 bits Multiply-accumulate instruction: 16 bits 16 bits + 32 bits 32 bits Operation mode: Single-chip mode (address space: 1 Mbyte) Refer to Table 1.9 Product List for R8C/34E Group. Power-on reset Voltage detection 3 (detection level of voltage detection 1 selectable) Input-only: 1 pin CMOS I/O ports: 43, selectable pull-up resistor 3 circuits: XIN clock oscillation circuit (with on-chip feedback resistor), High-speed on-chip oscillator (with frequency adjustment function), Low-speed on-chip oscillator Oscillation stop detection: XIN clock oscillation stop detection function Frequency divider circuit: Dividing selectable 1, 2, 4, 8, and 16 Low power consumption modes: Standard operating mode (high-speed clock, high-speed on-chip oscillator, low-speed on-chip oscilla
tor), wait mode, stop mode Interrupt Vectors: 69 External: 9 sources (INT 5 , key input 4) Priority levels: 7 levels 15 bits 1 (with prescaler) Reset start selectable Low-speed on-chip oscillator for watchdog timer selectable 1 channel Activation sources: 31 Transfer modes: 2 (normal mode, repeat mode) 8 bits (with 8-bit prescaler) Timer mode (period timer), pulse output mode (output level inverted every period), event counter mode, pulse width measurement mode, pulse period measurement mode 8 bits 1 (with 8-bit prescaler) Timer mode (period timer), programmable waveform generation mode (PWM output), programmable one-shot generation mode, programmable wait oneshot generation mode 16 bits 1 (with 4 capture/compare registers) Timer mode (input capture function, output compare function), PWM mode (output 3 pins), PWM2 mode (PWM output pin) 16 bits 2 (with 4 capture/compare registers) Timer mode (input capture function, output compare function), PWM mode (output 6 pins), reset synch
ronous PWM mode (output three-phase waveforms (6 pins), sawtooth wave modulation), complementary PWM mode (output three-phase waveforms (6 pins), triangular wave modulation), PWM3 mode (PWM output 2 pins with fixed period) 8 bits 1 Output compare mode

Memory

ROM, RAM, Data flash Power Supply Voltage detection Voltage circuit Detection I/O Ports Programmable I/O ports Clock Clock generation circuits

Interrupts

Watchdog Timer

DTC (Data Transfer Controller)

Timer

Timer RA

Timer RB

Timer RC Timer RD

Timer RE

REJ03B0246-0010 Rev.0.10 Page 2 of 44

Apr 17, 2008

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